Home / 10,367.20-15,550.80-4,818.70

Finding the Fourth Proportional to 10,367.20, 15,550.80 and 4,818.70

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Solution

The fourth proportional to 10,367.20, 15,550.80 and 4,818.70 is: 7,228.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,367.20 : 15,550.80 = 4,818.70 : x
  2. Step 2: Convert to fraction form
    10,367.20/15,550.80 = 4,818.70/x
  3. Step 3: Cross multiply
    10,367.20x = 15,550.80 × 4,818.70
  4. Step 4: Simplify right side
    10,367.20x = 74,934,639.96
  5. Step 5: Solve for x
    x = 74,934,639.96/10,367.20
  6. Step 6: Final answer
    x = 7,228.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.